/* Responsive Design for Sign Bridge */

/* Tablet (768px and below) */
@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }

    /* Navigation */
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    /* Hero */
    .hero .container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-stats {
        flex-wrap: wrap;
        justify-content: center;
    }

    /* Grids */
    .overview-grid,
    .comparison-grid,
    .tech-grid,
    .architecture-details,
    .modules-grid,
    .proposal-grid,
    .team-grid {
        grid-template-columns: 1fr;
    }

    /* Problem Section */
    .problem-content {
        grid-template-columns: 1fr;
    }

    /* Flow */
    .flow-diagram {
        flex-direction: column;
        align-items: stretch;
    }

    .flow-arrow {
        transform: rotate(90deg);
        margin: 0.5rem 0;
    }

    /* Supervisor */
    .supervisor-card {
        flex-direction: column;
        text-align: center;
    }

    .supervisor-links {
        justify-content: center;
        flex-wrap: wrap;
    }
}

/* Mobile (480px and below) */
@media (max-width: 480px) {
    .section {
        padding: 3rem 0;
    }

    .section-title {
        font-size: 2rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero {
        padding: 3rem 0;
    }

    .flow-container {
        padding: 1.5rem;
    }

    .flow-title {
        font-size: 1.3rem;
    }

    .team-grid {
        gap: 1.5rem;
    }
}